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From "Aleksey Yeschenko (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-13003) Support a map of counters
Date Mon, 05 Dec 2016 23:58:58 GMT


Aleksey Yeschenko commented on CASSANDRA-13003:

It would, kind of, but ideally needs support for several things first.

One would be CASSANDRA-6506, another would be CASSANDRA-7826, both not on the immediate radar.

> Support a map of counters
> -------------------------
>                 Key: CASSANDRA-13003
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Andrew Voumard
>            Priority: Minor
> Would it be possible to support the dynamic addition of counters, by supporting a map
of counters ? This would make it easier to support situations where counters could be added
more dynamically (where their names are not known at design time).
> If it makes it any easier, I would expect it to be ok if the current restriction of not
being able to delete a counter remains, meaning requests to remove an item from the map would
be ignored or return an error.
> I expect it would be possible to synthesize this feature without impacting the core code,
by dynamically adding counter columns via dynamic schema ALTER statements, creating something
like <map_name>-<counter_name> columns on demand, effectively wrapping the dynamic
column addition, but native cql support would make this task simpler.

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